| Greenbelt to Isny im Allgau | 4,175.73 mi (6,720.18 km) |
| Greenbelt to Isselburg | 3,911.52 mi (6,294.98 km) |
| Greenbelt to Issum | 3,917.58 mi (6,304.74 km) |
| Greenbelt to Itzehoe | 3,972.90 mi (6,393.77 km) |
| Greenbelt to Jena | 4,138.46 mi (6,660.20 km) |
| Greenbelt to Jever | 3,921.35 mi (6,310.80 km) |
| Greenbelt to Jork | 3,989.78 mi (6,420.93 km) |
| Greenbelt to Juchen | 3,932.37 mi (6,328.53 km) |
| Greenbelt to Julich | 3,931.43 mi (6,327.02 km) |
| Greenbelt to Juterbog | 4,163.23 mi (6,700.06 km) |
| Greenbelt to Kaarst | 3,933.86 mi (6,330.93 km) |
| Greenbelt to Kaiserslautern | 4,029.65 mi (6,485.10 km) |
| Greenbelt to Kalkar | 3,907.11 mi (6,287.88 km) |
| Greenbelt to Kall | 3,949.21 mi (6,355.63 km) |
| Greenbelt to Kaltenkirchen | 3,991.84 mi (6,424.24 km) |
